B78/100
MARION MUNICIPAL WATER DEPT — Water Quality Report 2026
Serving 41,623 people · Iowa
Water Source
Groundwater
County
—
System ID
IA5751035
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About MARION MUNICIPAL WATER DEPT
Is MARION MUNICIPAL WATER DEPT water safe to drink?
MARION MUNICIPAL WATER DEPT water receives a grade of B (78/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MARION MUNICIPAL WATER DEPT detected?
66 contaminants were tested in MARION MUNICIPAL WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARION MUNICIPAL WATER DEPT have any EPA violations?
Yes, MARION MUNICIPAL WATER DEPT has 7 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, MR. 3 are health-based violations.
How many people does MARION MUNICIPAL WATER DEPT serve?
MARION MUNICIPAL WATER DEPT serves approximately 41,623 people, Iowa. The system provides water to 1 community: Marion.
What type of water does MARION MUNICIPAL WATER DEPT provide?
MARION MUNICIPAL WATER DEPT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA5751035.
How does MARION MUNICIPAL WATER DEPT compare to other utilities in Iowa?
MARION MUNICIPAL WATER DEPT scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.